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Properties of Square Numbers

if 5x is in t...

Question

if 5x is in tens digit and 2x is in ones digit find the number=---
options- 8x,53x,15x square,53x square

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Solution

Given,
Tens digit of a number = 5x
Units digit of the number = 2x
The number = 10 x (Tens digit) + Units digit
=10 x 5x + 2x
=52x

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